6ad554cb83
Prefer length rather than size for IV/block length as per the PSA specification. Signed-off-by: Ronald Cron <ronald.cron@arm.com>
70 lines
2.3 KiB
C
70 lines
2.3 KiB
C
/*
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* Context structure declaration of the software-based driver which performs
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* cipher operations through the PSA Crypto driver dispatch layer.
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*/
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/*
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef PSA_CRYPTO_BUILTIN_CIPHER_H
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#define PSA_CRYPTO_BUILTIN_CIPHER_H
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#include <psa/crypto_driver_common.h>
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#include "mbedtls/cipher.h"
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#if defined(MBEDTLS_PSA_BUILTIN_ALG_STREAM_CIPHER) || \
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defined(MBEDTLS_PSA_BUILTIN_ALG_CTR) || \
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defined(MBEDTLS_PSA_BUILTIN_ALG_CFB) || \
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defined(MBEDTLS_PSA_BUILTIN_ALG_OFB) || \
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defined(MBEDTLS_PSA_BUILTIN_ALG_XTS) || \
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defined(MBEDTLS_PSA_BUILTIN_ALG_ECB_NO_PADDING) || \
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defined(MBEDTLS_PSA_BUILTIN_ALG_CBC_NO_PADDING) || \
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defined(MBEDTLS_PSA_BUILTIN_ALG_CBC_PKCS7)
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#define MBEDTLS_PSA_BUILTIN_CIPHER 1
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#endif
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typedef struct {
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/* Context structure for the Mbed TLS cipher implementation. */
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psa_algorithm_t alg;
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uint8_t iv_length;
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uint8_t block_length;
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mbedtls_cipher_context_t cipher;
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} mbedtls_psa_cipher_operation_t;
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#define MBEDTLS_PSA_CIPHER_OPERATION_INIT {0, 0, 0, {0}}
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/*
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* BEYOND THIS POINT, TEST DRIVER DECLARATIONS ONLY.
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*/
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#if defined(PSA_CRYPTO_DRIVER_TEST)
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typedef mbedtls_psa_cipher_operation_t
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mbedtls_transparent_test_driver_cipher_operation_t;
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typedef struct {
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unsigned int initialised : 1;
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mbedtls_transparent_test_driver_cipher_operation_t ctx;
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} mbedtls_opaque_test_driver_cipher_operation_t;
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#define MBEDTLS_TRANSPARENT_TEST_DRIVER_CIPHER_OPERATION_INIT \
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MBEDTLS_PSA_CIPHER_OPERATION_INIT
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#define MBEDTLS_OPAQUE_TEST_DRIVER_CIPHER_OPERATION_INIT \
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{ 0, MBEDTLS_TRANSPARENT_TEST_DRIVER_CIPHER_OPERATION_INIT }
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#endif /* PSA_CRYPTO_DRIVER_TEST */
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#endif /* PSA_CRYPTO_BUILTIN_CIPHER_H */
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